Title:
BURIED LED LIGHT-EMITTING DEVICE ABLE TO ADAPT TO CHANGES IN TERRAIN
Document Type and Number:
WIPO Patent Application WO/2011/099705
Kind Code:
A2
Abstract:
The present invention relates to a buried LED light-emitting device able to adapt to changes in terrain, comprising: an upper plate part which includes an LED performing a light-emitting function, and a control part for controlling the light emission of the LED; at least one pillar part which is either joined to or integrally formed with the lower side of the upper plate part; a lower plate part which is provided with at least one recess of a size able to contain the pillar part, and in which the recess is provided with at least one spring able to support the pillar part; and a first flooding-preventing part which is formed so as to surround the empty space between the upper plate and the lower plate; wherein height is adjusted through the functioning of the pillar part and the spring provided between the upper plate and the lower plate, when there is pressure from above.
Inventors:
AHN, Dong-un (#402, 182-4 Samjeon-dong Songpa-gu, Seoul 138-841, 138-841, KR)
Application Number:
KR2011/000485
Publication Date:
August 18, 2011
Filing Date:
January 24, 2011
Export Citation:
Assignee:
AHN, Dong-un (#402, 182-4 Samjeon-dong Songpa-gu, Seoul 138-841, 138-841, KR)
International Classes:
F21V21/04; F21S9/03; F21V31/00
Attorney, Agent or Firm:
KIM, Hyung Deok et al. (#2009, Sungji Heights 3rd bldg. 642-6, Yeoksam-dong, Gangnam-gu, Seoul 135-717, 135-717, KR)
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Claims: